Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322052 | Fireplace with destruction of products of incomplete combustion enhanced by a gaseous-fueled pilot burner | Wade H. Ponder, Nelson L. Butts, James H. Abbott | 1994-06-21 |
| 5179933 | Single chamber wood stove including gaseous hydrocarbon supply | Nelson L. Butts, Wade H. Ponder, James H. Abbott | 1993-01-19 |